Home / 85,277.11-127,915.97-26,112.54

Finding the Fourth Proportional to 85,277.11, 127,915.97 and 26,112.54

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Solution

The fourth proportional to 85,277.11, 127,915.97 and 26,112.54 is: 39,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,277.11 : 127,915.97 = 26,112.54 : x
  2. Step 2: Convert to fraction form
    85,277.11/127,915.97 = 26,112.54/x
  3. Step 3: Cross multiply
    85,277.11x = 127,915.97 × 26,112.54
  4. Step 4: Simplify right side
    85,277.11x = 3,340,210,596.11
  5. Step 5: Solve for x
    x = 3,340,210,596.11/85,277.11
  6. Step 6: Final answer
    x = 39,168.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.